Undefined values: Difference between revisions
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→{{header|Perl 6}}: Remove nyi, speculative type smiley example
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Thundergnat (talk | contribs) m (→{{header|Perl 6}}: Remove nyi, speculative type smiley example) |
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Line 898:
multi sub foo(Int:D $i where * != 0){ (0..100).roll / $i } # we will never divide by 0
multi sub foo(Int:U $i){ die 'WELP! $i is undefined' } # because undefinedness is deadly
with $i { say 'defined' } # as "if" is looking for Bool::True, "with" is looking for *.defined
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